package com.example.springbootdemo.test.bean;

import org.springframework.boot.CommandLineRunner;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Arrays;

@Configuration
public class HelloCommandLineRunner {
    @Bean
    public CommandLineRunner commandLineRunner(ApplicationContext ctx){
        return args -> {
            System.out.println("由spring boot 注册的所有bean:");
            String [] beanNames=ctx.getBeanDefinitionNames();
            Arrays.sort(beanNames);
            for(String beanName:beanNames){
                System.out.println(beanNames);
            }
        };
    }
}
